AGE-HARDENABLE STERLING SILVER ALLOY WITH IMPROVED 'TARNISHING' RESISTANCE AND MASTER ALLOY COMPOSITION FOR ITS PRODUCTION

摘要

The present invention relates to a sterling silver alloy, copper -free in its basic embodiment, age-hardenable, with improved resistance to tarnishing, thanks to the presence of palladium in combination with zinc and indium, this alloy being mainly used for the realization of precious articles; the present invention also relates to a master alloy composition suitable for the production of said sterling silver alloy.